Funding for this research was provided by:
Key Research Project of Health Commission of Sichuan Province (19ZD009, 19ZD009, 19ZD009)
Received: 24 March 2022
Accepted: 21 July 2022
First Online: 3 August 2022
: The present study was approved by the Ethics Committee of Sichuan Provincial Women’s and Children’s Hospital(review board number: 20201113–114), and was registered in the Chinese Clinical Trial Registry in 08/04/2021(Registration number: ChiCTR2100045211). Written informed consent was obtained fromed all participants. This study was conducted in accordance with the Consolidated Standards of Reporting Trials Checklist. This manuscript adheres to the applicable EQUATOR guidelines.
: Not applicable.
: The authors declare that they have no conflicts of interest.